Add a base64 converter

base64_converter.py

@@ -0,0 +1,64 @@
+#! /usr/bin/env python3
+
+# Copyright 2023 Ant Group Co., Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import argparse
+import base64
+
+def main():
+    parser = argparse.ArgumentParser()
+
+    parser.add_argument(
+        "--str",
+        type=str,
+        required=False
+    )
+
+    parser.add_argument(
+        "--in_file",
+        type=str,
+        required=False
+    )
+
+    parser.add_argument(
+        "--out_file",
+        type=str,
+        required=True
+    )
+
+    parser.add_argument(
+        "--encode",
+        action='store_true'
+    )
+
+    args = parser.parse_args()
+
+    if args.in_file:
+        with open(args.in_file, 'rb') as f:
+            content = f.read()
+    else:
+        content = args.str
+
+    if args.encode:
+        result = base64.b64encode(content)
+    else:
+        result = base64.b64decode(content)
+
+    with open(args.out_file, "wb+") as f:
+        f.write(result)
+
+
+if __name__ == "__main__":
+    main()